blob: 537505d30bbc4df2ee23d54718189689c1cf210a (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
{ lib, ... }:
let
/* Generate an INI-style config file from an attrset
* specifying the global section (no header), and a
* list of sections which contain name/value pairs.
*
* generators.toINI {} {
* globalSection = [
* { name = "someGlobalKey"; value = "hi"; }
* ];
* sections = [
* { name = "foo"; value = [
* { name = "hi"; value = "${pkgs.hello}"; }
* { name = "ciao"; value = "bar"; }
* ];
* }
* { name = "baz";
* value = [ { name = "also, integers"; value = 42; } ];
* }
* ];
* }
*
*> someGlobalKey=hi
*>
*> [foo]
*> hi=/nix/store/y93qql1p5ggfnaqjjqhxcw0vqw95rlz0-hello-2.10
*> ciao=bar
*>
*> [baz]
*> also, integers=42
*>
*
* The mk* configuration attributes can generically change
* the way sections and key-value strings are generated.
*
* Order of the sections and of keys is preserved,
* duplicate keys are allowed.
*/
toINI =
{
# apply transformations (e.g. escapes) to section names
mkSectionName ? (name: lib.strings.escape [ "[" "]" ] name)
, # format a setting line from key and value
mkKeyValue ? lib.generators.mkKeyValueDefault { } "="
,
}: { globalSection, sections }:
let
mkSection = sectName: sectValues: ''
[${mkSectionName sectName}]
'' + toKeyValue { inherit mkKeyValue; } sectValues;
# map input to ini sections
mkSections = lib.strings.concatMapStringsSep "\n"
({ name, value }: mkSection name value)
sections;
mkGlobalSection =
if globalSection == [ ]
then ""
else toKeyValue { inherit mkKeyValue; } globalSection
+ "\n";
in
mkGlobalSection
+ mkSections;
/* Generate a name-value-style config file from a list.
*
* mkKeyValue is the same as in toINI.
*/
toKeyValue =
{ mkKeyValue ? lib.generators.mkKeyValueDefault { } "="
,
}:
let
mkLine = k: v: mkKeyValue k v + "\n";
mkLines = k: v: [ (mkLine k v) ];
in
nameValues: lib.strings.concatStrings (lib.concatLists (map ({ name, value }: mkLines name value) nameValues));
in
toINI
|
